Inclusion Criteria:

- All subjects will be women at least 35 years of age that have been found, after
diagnostic workup, to have focal distributions of microcalcifications (BI-RADS 4 or
5) or focal soft tissue lesions (BI-RADS 4 or 5)

Exclusion Criteria:

- Subject does not meet any of the inclusion criteria

- Women with suspected or confirmed pregnancy

- Women who have had bilateral mastectomy

- Women who are very frail and unable to cooperate

- Women who are under 35 years of age

- Women who cannot give informed consent

- Male subjects

- Women with implants

- Subject has had breast augmentation, except for unilateral augmentation done for
prior mastectomy

- Women recalled for bilateral workup

- Women with physical limitations such as, but not limited to: frozen shoulder, recent
heart surgery, pace maker, neck problems, or any other condition that would prohibit
them from lying face down